I stumbled across this site just a few minutes ago and thought immediately of ShellyQ and others who are paying horrendous prices down under. The Quilter's Stash ships internationally for one of two flat rates.
http://www.thequiltersstash.com/shipping.asp
their prices are a much lower than a lot of sites i've seen. i haven't found anything yet more than $7.40 per yard, and some is on sale for $4 per yard.
just found another interesting site. higher prices
http://fabricblowout.com/shippingandins.htm
and another with slightly higher prices
http://www.fabricparadise.com/service/shipping.html